/*
  将下面异步代码使用 Promise 的方法改进
  尽量用看上去像同步代码的方式
  setTimeout(function () {
    var a = 'hello'
    setTimeout(function () {
      var b = 'lagou'
      setTimeout(function () {
        var c = 'I ♥ U'
        console.log(a + b +c)
      }, 10)
    }, 10)
  }, 10)
*/



myPromises(value) {
    let promise = new Promise((resolve) => {
        setTimeout(() => {
            resolve(value);
        }, 10);
    });
    return promise;
}


this.myPromise('hello').then((res) => {
    return this.myPromise(res + 'lagou')
}).then(res => {
    return this.myPromise(res + 'I ♥ U')
}).then(res => {
    console.log(res)
})